𝔼𝕊𝕄𝕚𝕟, 7 bytes

⩤ 1,Ⅹ

Prints out

1,2,3,4,5,6,7,8,9,10

Implicit print, Ⅹ is 10 and ⩤ is range(a, b) so the overall pseudocode is stdout.write(range(1, 10))

Note that, while it is only 5 characters, it still takes up 7 bytes, this is due to the Ⅹ and the ⩤